Home / 188,840.16-260,598.06-103,955.40

Finding the Fourth Proportional to 188,840.16, 260,598.06 and 103,955.40

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Solution

The fourth proportional to 188,840.16, 260,598.06 and 103,955.40 is: 143,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,840.16 : 260,598.06 = 103,955.40 : x
  2. Step 2: Convert to fraction form
    188,840.16/260,598.06 = 103,955.40/x
  3. Step 3: Cross multiply
    188,840.16x = 260,598.06 × 103,955.40
  4. Step 4: Simplify right side
    188,840.16x = 27,090,575,566.52
  5. Step 5: Solve for x
    x = 27,090,575,566.52/188,840.16
  6. Step 6: Final answer
    x = 143,457.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.